I think a lot of the history is lost forever, like the concept of cart buying...Surely people didn't build their own carts, so there must have been a cart showroom to buy carts?
Ayup, it's groundhog day, again.
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, I missed the original post.
Though surely you would get a cart from whatever the latin equivalent of cartwright was, rather than Cartus Gianticus or Evanus Halshawrius